Determine the values of x x\,x in the interval 0<x<π 0 < x < \pi\,0<x<π that satisfy the equation: (3x−7.5)(3cosecx−2)=0(3x - 7.5)(\sqrt{3}\operatorname{cosec} x - 2) = 0(3x−7.5)(3cosecx−2)=0
Solve, for 0∘<θ<360∘0^\circ < \theta < 360^\circ0∘<θ<360∘, the equation: 3cos2θ+8cosθ=13\cos 2\theta + 8\cos \theta = 13cos2θ+8cosθ=1 Give your answers to one decimal place.
Practise Edexcel A Level Maths 7.3 Solving Trigonometric Equations with exam-style questions for A Level Maths. 29 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.